diff --git a/CONFIG.md b/CONFIG.md
index 0775eb1..d4a6634 100644
--- a/CONFIG.md
+++ b/CONFIG.md
@@ -86,9 +86,9 @@ common to all crawlers:
   load for the crawl target. (Default: `0.0`)
 - `windows_paths`: Whether PFERD should find alternative names for paths that
   are invalid on Windows. (Default: `yes` on Windows, `no` otherwise)
-- `alias`: List of strings that are considered as an alias when invoking with
-  the `--crawler` or `-C` flag. If there is more then one crawl section with
-  the same alias all are selected. Thereby you can group different crawlers.
+- `aliases`: List of strings that are considered as an alias when invoking with
+  the `--crawler` or `-C` flag. If there is more than one crawl section with
+  the same aliases all are selected. Thereby, you can group different crawlers.
 
 Some crawlers may also require credentials for authentication. To configure how
 the crawler obtains its credentials, the `auth` option is used. It is set to the
@@ -103,7 +103,7 @@ username = foo
 password = bar
 
 [crawl:something]
-alias = [sth, some]
+aliases = [sth, some]
 type = some-complex-crawler
 auth = auth:example
 on_conflict = no-delete
diff --git a/PFERD/pferd.py b/PFERD/pferd.py
index 6ed31a0..2d199e5 100644
--- a/PFERD/pferd.py
+++ b/PFERD/pferd.py
@@ -51,12 +51,14 @@ class Pferd:
             if section_name in crawl_sections:
                 log.explain(f"Crawler section named {section_name!r} exists")
                 crawlers_to_run.add(section_name)
+            # interprete name as alias of a crawler
             alias_names = self._find_crawlers_by_alias(name, config)
             if alias_names:
                 crawlers_to_run.update(alias_names)
                 log.explain_topic(f"Crawler alias {name!r} found corresponding crawler sections:")
                 for alias_name in alias_names:
                     log.explain(f"Crawler section named {alias_name!r} with alias {name!r} exists")
+
             if not section_name in crawl_sections and not alias_names:
                 log.explain(f"There's neither a crawler section named {section_name!r} nor does a crawler with alias {name!r} exist.")
                 unknown_names.append(name)
@@ -74,8 +76,8 @@ class Pferd:
     def _find_crawlers_by_alias(self, alias: str, config: Config) -> Set[str]:
         alias_names = set()
         for (section_name, section) in config.crawl_sections():
-            section_alias = section.get("alias", [])
-            if alias in section_alias:
+            section_aliases = section.get("aliases", [])
+            if alias in section_aliases:
                 alias_names.add(section_name)
         return alias_names